Mark variant 1

Two circular bordered compartments, each with its visible letter, retain their side-by-side order and upright orientation.
Medium confidence comparison reconstruction.
Maker's mark comparison reference
Compare 1 source-linked mark variant recorded under James Harrison. These are reconstructions for comparison, not source photographs or authentication evidence.

Two circular bordered compartments, each with its visible letter, retain their side-by-side order and upright orientation.
Medium confidence comparison reconstruction.
Maker labels and date or location statements follow the cited source records. Similar names across source collections have not been merged. Compare the photographed mark and the complete object before relying on a resemblance.
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